STAGE TUBE: Katy Perry Meets Neil Patrick Harris on HOW I MET YOUR MOTHER

Check out this hilarious promo for Katy Perry's upcoming guest spot on CBS' 'How I Met Your Mother' featuring Broadway favorite Neil Patrick Harris!

Pop Star Katy Perry will guest star on an episode of HOW I MET YOUR MOTHER titled "Oh Honey," to be broadcast later this season. Katy will play Zoey's (Jennifer Morrison) cousin, a beautiful, naive girl who the gang resorts to calling "Honey."

HOW I MET YOUR MOTHER stars Josh Radnor, Jason Segel, Neil Patrick Harris, Alyson Hannigan and Cobie Smulders and airs Mondays (8:00-8:30 PM, ET) on the CBS Television Network.